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Chinese Lathe Accessories.

Supplier selling items not fit for purpose.

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Ketan Swali16/12/2012 14:08:50
1481 forum posts
149 photos
Posted by Siddley on 16/12/2012 12:46:38:

But are you any good at preparing a curry Ketan ?

teeth 2 no not really. I am only good at eating it, and non of that Bangladeshi stuff passed off as Indian in most 'Indian' Restaurants in the U.K..

Ketan at ARC. 

Edited By Ketan Swali on 16/12/2012 14:11:53

Ketan Swali16/12/2012 14:19:22
1481 forum posts
149 photos
Posted by Siddley on 16/12/2012 13:17:35:

All over Spain there are 'Chinese markets' - shops which sell mostly low cost Chinese goods. There are at least four in my nearest town and I live in the back of beyond.

Virtually nothing they sell works properly, sometimes it doesn't work at all. Glue that won't stick, files that won't cut metal, pens that don't write, spanners made of cheese etc etc

I have seen the same Chinese markets in Teneriffe, Kinshasa, Dar-es-Salaam, Mumbai, Delhi, Shanghai, Canton. Funny enough, they all look the same and sell exactly the same stuff targeted at the ultra low price end of the market. peanuts and monkeys comes to mind, but it does get the really poor out of a hole.

Ketan at ARC.

John Stevenson16/12/2012 14:19:59
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5068 forum posts
3 photos
Posted by jim both on 16/12/2012 13:47:41:

How much would my latest lathe have cost if it was made in the UK, (chester crusader), £10,000 or more????

Jim, can't answer your question directly but i do have a similar scenario.

10 years ago, approx I wanted a medium sized lathe, something like a big student / master etc

Went to loads of auctions and all i saw were clapped out machines with noisy gearboxes, literally wasted two working weeks going to different auctions so fact that cost in for a start.

Realised I was looking for something I didn't know the real value of so Rung Colchesters up and asked the price which without equipment would have been between £10,000 and £11,000 and to be honest was pushing the budget too far.

Rang Excel at Coventry [ no connection ] and asked what they had. Was given the choice between a Chinese lathe 7" centre x 36" or a TOS at 7 1/2" x 39 and invited down to try out under power.

Went down and was stumped at making the choice, price wise it varied by about £200 but at this level price should not be a deciding factor.

The Chinese lathe was better finished, quieter and seemed smoother than the TOS. Also combined metric / imperial

The TOS had an advantage in 40mm spindle bore instead of 38mm and a MT4 tailstock instead of MT3. Paintwork was one coat on top of bare metal. TOS was metric only, imperial by change wheels.

Both came fully loaded but the clincher was the TOS was nearly twice as heavy as the Chinese machine

Bought the TOS. £5,400 fully loaded and delivered right up to the door. Incidentally that was the base price of a Myford 254 at the time with no attachments.

Two weeks later got a phone call from Colchester to see if i was still interested, when I said I'd bought the TOS he was horrified. His argument was that the TOS would devalue to nothing whilst the Colchester would still have a decent price.

My reply was I expected 10 working years and in 10 years what would the Colchester be worth ? He guessed £3,000 but If the TOS went for only £250 as pure scrap I would still have been many thousands in pocket.

I still have the TOS, it's my daily grind, it 10 years it has cost me a roll pin in the clutch lever, a roll pin in the traverse lever, one rely [ not the machine fault, we had a power cut whilst under power ] and a new cross slide nut. There is hardy any paint on the carriage, in fact most of that went within the first two months but this machine has earn some serious coin.

The guy from Colchester was more interested in it's resale value than what it could earn.

Raymond Anderson16/12/2012 14:27:22
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785 forum posts
152 photos

Hi Ketan,

If as you say some ROHM gear is from China, then it still mantains it's reputation through good quality control, because ROHM as a company would simply not put up with it.

but, sadly a lot of model engineers simply put up with substandard goods instead of sending them back. I would have no hesitation in returning any item that did not fit /work properly . If I ever needed a part for my DSG, it's a shoe in that it would be correct but ,I suspect that would not be the case with my GH750 , as reading through various forums there would appear to be so much variation in part quality and not just parts even between the same machines. which brings us nicely back to "QUALITY CONTROL" and that where the suppliers come in, demand better quality or "we go somewhere else" but as it is far to many suppliers [and I don't include ARC in this] to the hobby trade soldier on selling sub standard gear /parts the the end user has to remachine or modify to work correctly.

Regards,

Raymond.

John Stevenson16/12/2012 14:29:00
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5068 forum posts
3 photos
Posted by David Clark 1 on 16/12/2012 08:35:49:

Regarding a gear with an undersize bore, I think it would be very forward looking of the supplier to supply it undersize so the end user could bore it true to fit his machine rather than send it out with a pronounced wobble.

regards David

David,

The OP was actually saying the spindle was undersize not the gear being over size.

John Stevenson16/12/2012 14:32:01
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5068 forum posts
3 photos
Posted by NJH on 16/12/2012 13:15:52:

Now I see we are diverting into misletoe and virgins - for goodness sake guys get out to your sheds, find a big lump of metal and a coarse file, and make a heap of filings. It will take your mind off things.

N

 

Norman,

This raises a very, very important question though.

 

Is it technically possible to have a 24 thou undersize virgin ?

 

John S, from inside the workshop with two machines running on auto feed and two CNC's running making parts.

 

Edited By John Stevenson on 16/12/2012 14:32:46

David Clark 116/12/2012 14:41:21
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3357 forum posts
112 photos
10 articles

Hi John

Interesting question.

You would have to use a plug gauge I think.

Although, then, after testing, it would not be fit for purpose.

regards David

Edited By David Clark 1 on 16/12/2012 14:42:07

Roderick Jenkins16/12/2012 14:47:25
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2376 forum posts
800 photos

If this whole thread was just a shaggy dog story leading up to that punch line it was worth it.face 20

Thanks.

Rod

NJH16/12/2012 14:53:03
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2314 forum posts
139 photos

John and David

I nearly exploded! Here I am sitting on the sofa after lunch using the wife's iPad ( well technically OUR iPad - but I don't want a fight) and you guys post something like that. I laughed and laughed - even the dog looked surprised.You've made my weekend!

Thanks

Norman

Siddley16/12/2012 14:59:11
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150 forum posts
1 photos

I thought that all virgins had to be metric nowadays to conform with EU directives ?

David Clark 116/12/2012 15:02:44
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3357 forum posts
112 photos
10 articles

H There

I don't beleive that came into force until 1971 so technically only the ones born during or after are classified as Metric.

regard David

KWIL16/12/2012 15:11:17
3681 forum posts
70 photos

There appear to be so many useless EU Directives to trawl through, I had not noticed that one. Perhaps we were not expected to notice it either?

Roderick Jenkins16/12/2012 15:16:13
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2376 forum posts
800 photos

41 year old imperial NOS is going to be tricky to source. You might have to make do with a refurbished one.

Ketan Swali16/12/2012 16:43:28
1481 forum posts
149 photos
Posted by alan smith 6 on 16/12/2012 14:31:24:
Posted by A Smith on 16/12/2012 09:26:50:

Now they have turned their attention to Ketan with their bullying tactics with racial discrimination thrown in as well!

Alan Smith6

Hi Alan Smith6,

I personally do not feel that there was any bullying tactic with racial discrimination at all. There was stereo typical content which was very understandable, and most of us, including me are guilty of this, if guilty is the correct word.

For me, your post has been a very interesting and enjoyable thread.

Ketan at ARC.

John Stevenson16/12/2012 17:38:16
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5068 forum posts
3 photos

Agreed Ketan.

Never laughed as much since the Mother in Law got chucked out of the SS for cruelty.

HomeUse16/12/2012 19:59:02
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168 forum posts
12 photos

Wow - this is forming into a good thread.

I have just read through all the postings and have, "come to a sort of a conclusion".

We are "engineers" looking for perfection in the products we have and use.

The first requirement seems to be "a virgin that is fit for purpose" ( They could be Asian, Italian, German or any from any other country)

The second requitement is " the virgin must be able to perform the action that you require it to do"

The third requirement would be "the virgin should be accurate in all movements wheather back or forward. side to side and up and down,

The fourth is " the virgin should perform at the speed that is applicable to the task being performed"

Fifth " there should not be any drop off in speed or power when the working gets harder"

Sixth - You fill it in - I am going out in the workshop (Shed) to make some pure British SWARF and then have a good rub down with mistletoe before I paint the berry juce on

Grizzly bear16/12/2012 20:41:38
337 forum posts
8 photos

I could murder a witches tit!

Regards, Bear..

Siddley16/12/2012 21:00:21
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150 forum posts
1 photos

Posted by Ketan Swali on 16/12/2012 16:43:28:

I personally do not feel that there was any bullying tactic with racial discrimination at all. There was stereo typical content which was very understandable, and most of us, including me are guilty of this, if guilty is the correct word.

I have to say that the only reason I didn't spit my dentures into my cup of tea when I read the 'Indians should stick to making curry' comment was that I haven't got dentures and I don't drink tea

Terryd16/12/2012 22:13:05
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1946 forum posts
179 photos
Posted by HomeUse on 16/12/2012 19:59:02:

Wow - this is forming into a good thread.

I have just read through all the postings and have, "come to a sort of a conclusion".

We are "engineers" looking for perfection in the products we have and use.

The first requirement seems to be "a virgin that is fit for purpose" ( They could be Asian, Italian, German or any from any other country)

The second requitement is " the virgin must be able to perform the action that you require it to do"

The third requirement would be "the virgin should be accurate in all movements wheather back or forward. side to side and up and down,

The fourth is " the virgin should perform at the speed that is applicable to the task being performed"

Fifth " there should not be any drop off in speed or power when the working gets harder"

Sixth - You fill it in - I am going out in the workshop (Shed) to make some pure British SWARF and then have a good rub down with mistletoe before I paint the berry juce on


And what gender would that be sir? Or does it matter?

Edited By Terryd on 16/12/2012 22:13:28

Siddley16/12/2012 22:14:40
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150 forum posts
1 photos

A mate of mine once cut the roof off a plastic pig and installed a 1600 X-Flow engine in it. Then we spray painted the thing in various psychedelic colours to humiliate it further. Awesome vehicle - it would actually wheelie.

There used to be a bloke knocking around my local area who had a pig painted in NATO green and black cammo. What a hero

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